public void testRepeatStaticFactorizeNonSquare() {
   assertEquals(Ac, RQ.factorize(Ac));
   assertEquals(Ac, RQ.factorize(Ac));
 }
 public void testRepeatStaticFactorize() {
   assertEquals(A, RQ.factorize(A));
   assertEquals(A, RQ.factorize(A));
 }